SB2022082401 - Denial of service in LiteSpeed QUIC



SB2022082401 - Denial of service in LiteSpeed QUIC

Published: August 24, 2022

Security Bulletin ID SB2022082401
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2022-30592)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within liblsquic/lsquic_qenc_hdl.c when handling HTTP/3 requests. A remote attacker can send multiple requests to the server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.